/ Dictionary / Index H hydride: Meaning and Definition of Find definitions for: hy•dride Pronunciation: (hī'drīd, -drid), [key] — n. a binary compound formed by hydrogen and another, usually more electropositive, element or group, as sodium hydride, NaH, or methyl hydride, CH. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hydride (Thesaurus) hydric hydrilla Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language